JPS4973674A - - Google Patents

Info

Publication number
JPS4973674A
JPS4973674A JP48116444A JP11644473A JPS4973674A JP S4973674 A JPS4973674 A JP S4973674A JP 48116444 A JP48116444 A JP 48116444A JP 11644473 A JP11644473 A JP 11644473A JP S4973674 A JPS4973674 A JP S4973674A
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP48116444A
Other languages
Japanese (ja)
Other versions
JPS5624340B2 (enrdf_load_stackoverflow
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of JPS4973674A publication Critical patent/JPS4973674A/ja
Publication of JPS5624340B2 publication Critical patent/JPS5624340B2/ja
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/662—Housings or protective screens
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/668—Means for obtaining or monitoring the vacuum
    • H01H33/6683—Means for obtaining or monitoring the vacuum by gettering

Landscapes

  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
JP11644473A 1972-10-18 1973-10-18 Expired JPS5624340B2 (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL727214103A NL149629B (nl) 1972-10-18 1972-10-18 Vacuuemschakelaar met vangstofelement.
SE1410372 1972-10-18

Publications (2)

Publication Number Publication Date
JPS4973674A true JPS4973674A (enrdf_load_stackoverflow) 1974-07-16
JPS5624340B2 JPS5624340B2 (enrdf_load_stackoverflow) 1981-06-05

Family

ID=26644817

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11644473A Expired JPS5624340B2 (enrdf_load_stackoverflow) 1972-10-18 1973-10-18

Country Status (10)

Country Link
US (1) US3872271A (enrdf_load_stackoverflow)
JP (1) JPS5624340B2 (enrdf_load_stackoverflow)
AT (1) AT328029B (enrdf_load_stackoverflow)
AU (1) AU465944B2 (enrdf_load_stackoverflow)
BE (1) BE806050A (enrdf_load_stackoverflow)
CA (1) CA996164A (enrdf_load_stackoverflow)
CH (1) CH563658A5 (enrdf_load_stackoverflow)
FR (1) FR2204032B1 (enrdf_load_stackoverflow)
GB (1) GB1423379A (enrdf_load_stackoverflow)
NL (1) NL149629B (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL170995C (nl) * 1978-12-01 1983-01-17 Hazemeijer Bv Vacuuemschakelaar, alsmede metalen scherm en vangstofelement daarvoor.
JPS6092120U (ja) * 1983-11-30 1985-06-24 日本精機株式会社 前面照明計器装置の照明ケ−ス取付構造
EP3562782B1 (en) 2016-12-31 2021-06-16 Thilium Co., Ltd. A method for producing a micron-size spherical silica aerogel

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3090852A (en) * 1960-02-11 1963-05-21 Gen Electric Gettering arrangement for a vacuum circuit interrupter
DE1947413A1 (de) * 1968-10-28 1970-04-30 Getters Spa Getterpumpe zur Erzeugung und Aufrechterhaltung eines Vakuums in geschlossenen Gefaessen

Also Published As

Publication number Publication date
FR2204032A1 (enrdf_load_stackoverflow) 1974-05-17
DE2350489B2 (de) 1976-04-15
US3872271A (en) 1975-03-18
CH563658A5 (enrdf_load_stackoverflow) 1975-06-30
AT328029B (de) 1976-02-25
FR2204032B1 (enrdf_load_stackoverflow) 1978-04-14
NL7214103A (enrdf_load_stackoverflow) 1974-04-22
DE2350489A1 (de) 1974-05-02
NL149629B (nl) 1976-05-17
ATA885473A (de) 1975-05-15
AU6121873A (en) 1975-04-10
AU465944B2 (en) 1975-10-09
BE806050A (nl) 1974-04-12
JPS5624340B2 (enrdf_load_stackoverflow) 1981-06-05
GB1423379A (en) 1976-02-04
CA996164A (en) 1976-08-31

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